基于CiteSpace方法的京津冀协同发展研究演化 |
孙威,毛凌潇 |
Evolution of research on Beijing-Tianjin-Hebei cooperative development based on CiteSpace method |
SUN Wei,MAO Lingxiao |
图1 1982-2017年京津冀研究发文数量 |
Fig. 1 Number of published papers in Beijing-Tianjin-Hebei research from 1982 to 2017 |